Porto (OPO) to Boston (BOS) flight deal in economy from $516

Thursday, December 24th, 2026

6 round-trip options

Returning
Tue, Dec 29, 20265 Day Trip
$752 USD
Returning
Wed, Dec 30, 20266 Day Trip
$695 USD
Returning
Thu, Dec 31, 20267 Day Trip
$752 USD
Returning
Sat, Jan 2, 20279 Day Trip
$820 USD
Returning
Mon, Jan 4, 202711 Day Trip
$695 USD
Returning
Wed, Jan 6, 202713 Day Trip
$695 USD